The source file reads

  Use \command{R CMD INSTALL --help} for concise usage information,

so I see no 'typo'.

The issue is apparently in the rendering of -- as - in \command. I am presuming you are viewing HTML in the Mac GUI, but can you please confirm exactly what you are looking at.

On Thu, 5 Nov 2009, ne...@neiltiffin.com wrote:

Full_Name: Neil Tiffin
Version: R version 2.10.0 (2009-10-26)
OS: [R.app GUI 1.30 (5511) i386-apple-darwin9.8.0]
Submission from: (NULL) (99.68.31.116)


In  the help section 'INSTALL {utils}'  half way down the page the line

Use R CMD INSTALL ?help for concise usage information, including all the
available options

should have two '-' in front of help.  Therefor it should read

Use R CMD INSTALL ?-help for concise usage information, including all the
available options

I suspect from the ? I see (twice) in your message that you are seeing an endash and not a single hyphen. That's what HTML help on Linux is showing as for me.

At least when I copied and pasted the line it did not work until I added the
second '-'.

--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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